L-Malic acid is the naturally occurring isomer of malic acid, found mainly in sour and unripe fruits.It is useful as an acidulant in soft drinks, jams, fruit and vegetable juices.
L-(-)-Malic acid White to Almost white powder to crystals with a tart, acidic taste. It is nonpungent. May be prepared by hydration of maleic acid; by fermentation from sugars.